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51096530493 = 32532712771427
BaseRepresentation
bin101111100101100101…
…110010111000111101
311212220000010200200100
4233211211302320331
51314121202433433
635250131551313
73456135225441
oct574545627075
9155800120610
1051096530493
111a7407286a8
129aa015b539
134a83ca7438
14268a208821
1514e0c92b13
hexbe5972e3d

51096530493 has 48 divisors (see below), whose sum is σ = 75801712896. Its totient is φ = 33154842240.

The previous prime is 51096530479. The next prime is 51096530503. The reversal of 51096530493 is 39403569015.

51096530493 is a `hidden beast` number, since 5 + 109 + 6 + 53 + 0 + 493 = 666.

It is not a de Polignac number, because 51096530493 - 216 = 51096464957 is a prime.

It is a super-2 number, since 2×510965304932 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51096530423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35806246 + ... + 35807672.

It is an arithmetic number, because the mean of its divisors is an integer number (1579202352).

Almost surely, 251096530493 is an apocalyptic number.

51096530493 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51096530493 is a deficient number, since it is larger than the sum of its proper divisors (24705182403).

51096530493 is a wasteful number, since it uses less digits than its factorization.

51096530493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 51096530493 in words is "fifty-one billion, ninety-six million, five hundred thirty thousand, four hundred ninety-three".

Divisors: 1 3 9 53 159 271 277 477 813 831 1427 2439 2493 4281 12843 14363 14681 43089 44043 75067 75631 129267 132129 225201 226893 386717 395279 675603 680679 1160151 1185837 3480453 3557511 3978551 11935653 20496001 20949787 35806959 61488003 62849361 107120609 184464009 188548083 321361827 964085481 5677392277 17032176831 51096530493